Home / 3,838.20-5,294.25-2,345.28

Finding the Fourth Proportional to 3,838.20, 5,294.25 and 2,345.28

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Solution

The fourth proportional to 3,838.20, 5,294.25 and 2,345.28 is: 3,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.20 : 5,294.25 = 2,345.28 : x
  2. Step 2: Convert to fraction form
    3,838.20/5,294.25 = 2,345.28/x
  3. Step 3: Cross multiply
    3,838.20x = 5,294.25 × 2,345.28
  4. Step 4: Simplify right side
    3,838.20x = 12,416,498.64
  5. Step 5: Solve for x
    x = 12,416,498.64/3,838.20
  6. Step 6: Final answer
    x = 3,234.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.